These Beauty Cliques Dominated Hollywood in 2015

Who: Kristin Ess
What: Hairstylist
Social Stats: Instagram user @kristin_ess, 232K followers
Famous Clients: Lauren Conrad, Lucy Hale, Nikki Reed, Jamie Chung, Krysten Ritter
Fun Fact: Kristin and Lauren are practically inseparable! Not only are they friends, they work together — Kristin is the cofounder of The Beauty Department, where Lauren frequently appears. And, if you're into gorgeous Instagram feeds, Kristin's will make your jaw drop.